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Harley Stowell, III

Managing Partner at Eminence Grey. Also an executive officer and director at Sea Street Technologies.

ExecutiveDirectorRoles at 2 startups
Updated Nov 9, 2026·Latest SEC filing Aug 31, 2026·Suggest an edit

About Harley Stowell, III

Harley Stowell, III is a managing partner at Eminence Grey.

Form D filings also name Harley Stowell, III as an executive officer and director at Sea Street Technologies.

Harley Stowell, III first appears on SEC filings in 2017.

Experience

This experience comes from Harley Stowell, III's profile and from SEC filings. For roles taken from filings, the years are when the filings name Harley Stowell, III in the role, so the role may have started earlier or lasted longer.

Eminence Grey LLC Current
Managing Partner
2025 – Present · Sheridan, WY
Provides private AI computing infrastructure to government agencies, businesses, and AI developers.
OPTAC-X Current
Member of the Board of Advisors
2021 – Present
Sea Street Technologies, Inc.
Founder & CEO (2011 – 2025)
Director
2011 – 2025 · Canton, MA
Cisco Systems
CTO Worldwide Service Provider Cloud & Managed Services
2005 – 2011
PfN Technologies
CEO
2000 – 2004
VentureQuest Capital
President & General Partner
1994 – 2000

Key Colleagues at Startups

The people Harley Stowell, III works with at each company, as listed on that company's latest Form D.

Eminence Grey LLC · Form D, Aug 31, 2026
WG
Walter Gall
Executive officer
RK
Robert Kelso
Executive officer
Sea Street Technologies, Inc. · Form D, Feb 15, 2024
MC
MC
NB
Nicholas Balletta
Executive officer and director
JR
Joshua Roach
Director
SI
Stephen Ivanoski
Executive officer

Sources

  1. SECEminence Grey LLC Form D, filed Aug 31, 2026
  2. SECSea Street Technologies, Inc. Form D, filed Feb 15, 2024